This graphic accompanies a chapter in a book that reflections on the 10 years since the International Assessment of Agricultural Knowledge, Science and Technology for Development (IAASTD): https://www.globalagriculture.org/transformation/
For more see Howard, Philip H. & Mary K. Hendrickson. The State of Concentration in Global Food and Agriculture Industries. Pp. 89-91 in Transformation of Our Food Systems: The Making of a Paradigm Shift. (Hans Herren, Benedikt Haerlin & IAASTD +10 Advisory Group, eds.). ISBN 978-3-00-066209-6.
Note that the entire book is free to download at this link.